Record setters: How fast does that X-Plane go? (pictures)

An X-51A yesterday fell well short of its goal of Mach 6, but there have been some remarkable speedy achievements in X-Plane history.

Source: http://news.cnet.com/2300-11386_3-10013366.html?part=rss&subj=news&tag=2547-1_3-0-20

EPICOR SOFTWARE EMULEX